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	I updated .clang-format and ran clang-format 14 over the src and test directories to standardize the code base. In general I let clang-format have it's way, and added markup to prevent formatting of code that would break or be completely unreadable if formatted. The script I ran for the src directory is added as build-scripts/clang-format-src.sh This fixes: #6592 #6593 #6594 (cherry picked from commit 5750bcb174300011b91d1de20edb288fcca70f8c)
		
			
				
	
	
		
			1171 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1171 lines
		
	
	
		
			36 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/**
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 * Original code: automated SDL platform test written by Edgar Simo "bobbens"
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 * Extended and extensively updated by aschiffler at ferzkopp dot net
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 */
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#include <stdio.h>
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#include "SDL.h"
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#include "SDL_test.h"
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/* ================= Test Case Implementation ================== */
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#define TESTRENDER_SCREEN_W 80
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#define TESTRENDER_SCREEN_H 60
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#define RENDER_COMPARE_FORMAT SDL_PIXELFORMAT_ARGB8888
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#define RENDER_COMPARE_AMASK  0xff000000 /**< Alpha bit mask. */
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#define RENDER_COMPARE_RMASK  0x00ff0000 /**< Red bit mask. */
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#define RENDER_COMPARE_GMASK  0x0000ff00 /**< Green bit mask. */
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#define RENDER_COMPARE_BMASK  0x000000ff /**< Blue bit mask. */
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#define ALLOWABLE_ERROR_OPAQUE  0
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#define ALLOWABLE_ERROR_BLENDED 64
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/* Test window and renderer */
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SDL_Window *window = NULL;
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SDL_Renderer *renderer = NULL;
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/* Prototypes for helper functions */
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static int _clearScreen(void);
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static void _compare(SDL_Surface *reference, int allowable_error);
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static int _hasTexAlpha(void);
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static int _hasTexColor(void);
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static SDL_Texture *_loadTestFace(void);
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static int _hasBlendModes(void);
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static int _hasDrawColor(void);
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static int _isSupported(int code);
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/**
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 * Create software renderer for tests
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 */
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void InitCreateRenderer(void *arg)
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{
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    int posX = 100, posY = 100, width = 320, height = 240;
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    renderer = NULL;
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    window = SDL_CreateWindow("render_testCreateRenderer", posX, posY, width, height, 0);
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    SDLTest_AssertPass("SDL_CreateWindow()");
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    SDLTest_AssertCheck(window != NULL, "Check SDL_CreateWindow result");
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    if (window == NULL) {
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        return;
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    }
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    renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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    SDLTest_AssertPass("SDL_CreateRenderer()");
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    SDLTest_AssertCheck(renderer != NULL, "Check SDL_CreateRenderer result");
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    if (renderer == NULL) {
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        SDL_DestroyWindow(window);
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        return;
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    }
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}
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/*
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 * Destroy renderer for tests
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 */
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void CleanupDestroyRenderer(void *arg)
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{
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    if (renderer != NULL) {
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        SDL_DestroyRenderer(renderer);
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        renderer = NULL;
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        SDLTest_AssertPass("SDL_DestroyRenderer()");
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    }
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    if (window != NULL) {
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        SDL_DestroyWindow(window);
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        window = NULL;
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        SDLTest_AssertPass("SDL_DestroyWindow");
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    }
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}
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/**
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 * @brief Tests call to SDL_GetNumRenderDrivers
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 *
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 * \sa
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 * http://wiki.libsdl.org/SDL_GetNumRenderDrivers
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 */
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int render_testGetNumRenderDrivers(void *arg)
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{
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    int n;
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    n = SDL_GetNumRenderDrivers();
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    SDLTest_AssertCheck(n >= 1, "Number of renderers >= 1, reported as %i", n);
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    return TEST_COMPLETED;
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}
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/**
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 * @brief Tests the SDL primitives for rendering.
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 *
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 * \sa
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 * http://wiki.libsdl.org/SDL_SetRenderDrawColor
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 * http://wiki.libsdl.org/SDL_RenderFillRect
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 * http://wiki.libsdl.org/SDL_RenderDrawLine
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 *
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 */
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int render_testPrimitives(void *arg)
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{
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    int ret;
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    int x, y;
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    SDL_Rect rect;
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    SDL_Surface *referenceSurface = NULL;
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    int checkFailCount1;
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    int checkFailCount2;
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    /* Clear surface. */
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    _clearScreen();
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    /* Need drawcolor or just skip test. */
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    SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor");
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    /* Draw a rectangle. */
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    rect.x = 40;
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    rect.y = 0;
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    rect.w = 40;
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    rect.h = 80;
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    ret = SDL_SetRenderDrawColor(renderer, 13, 73, 200, SDL_ALPHA_OPAQUE);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_RenderFillRect(renderer, &rect);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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    /* Draw a rectangle. */
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    rect.x = 10;
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    rect.y = 10;
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    rect.w = 60;
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    rect.h = 40;
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    ret = SDL_SetRenderDrawColor(renderer, 200, 0, 100, SDL_ALPHA_OPAQUE);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_RenderFillRect(renderer, &rect);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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    /* Draw some points like so:
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     * X.X.X.X..
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     * .X.X.X.X.
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     * X.X.X.X.. */
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    checkFailCount1 = 0;
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    checkFailCount2 = 0;
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    for (y = 0; y < 3; y++) {
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        for (x = y % 2; x < TESTRENDER_SCREEN_W; x += 2) {
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            ret = SDL_SetRenderDrawColor(renderer, x * y, x * y / 2, x * y / 3, SDL_ALPHA_OPAQUE);
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            if (ret != 0) {
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                checkFailCount1++;
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            }
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            ret = SDL_RenderDrawPoint(renderer, x, y);
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            if (ret != 0) {
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                checkFailCount2++;
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            }
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        }
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    }
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    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
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    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderDrawPoint, expected: 0, got: %i", checkFailCount2);
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    /* Draw some lines. */
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    ret = SDL_SetRenderDrawColor(renderer, 0, 255, 0, SDL_ALPHA_OPAQUE);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor");
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    ret = SDL_RenderDrawLine(renderer, 0, 30, TESTRENDER_SCREEN_W, 30);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
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    ret = SDL_SetRenderDrawColor(renderer, 55, 55, 5, SDL_ALPHA_OPAQUE);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_RenderDrawLine(renderer, 40, 30, 40, 60);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
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    ret = SDL_SetRenderDrawColor(renderer, 5, 105, 105, SDL_ALPHA_OPAQUE);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_RenderDrawLine(renderer, 0, 0, 29, 29);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
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    ret = SDL_RenderDrawLine(renderer, 29, 30, 0, 59);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
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    ret = SDL_RenderDrawLine(renderer, 79, 0, 50, 29);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
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    ret = SDL_RenderDrawLine(renderer, 79, 59, 50, 30);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
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    /* See if it's the same. */
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    referenceSurface = SDLTest_ImagePrimitives();
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    _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
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    /* Make current */
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    SDL_RenderPresent(renderer);
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    /* Clean up. */
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    SDL_FreeSurface(referenceSurface);
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    referenceSurface = NULL;
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    return TEST_COMPLETED;
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}
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/**
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 * @brief Tests the SDL primitives with alpha for rendering.
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 *
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 * \sa
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 * http://wiki.libsdl.org/SDL_SetRenderDrawColor
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 * http://wiki.libsdl.org/SDL_SetRenderDrawBlendMode
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 * http://wiki.libsdl.org/SDL_RenderFillRect
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 */
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int render_testPrimitivesBlend(void *arg)
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{
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    int ret;
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    int i, j;
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    SDL_Rect rect;
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    SDL_Surface *referenceSurface = NULL;
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    int checkFailCount1;
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    int checkFailCount2;
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    int checkFailCount3;
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    /* Clear surface. */
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    _clearScreen();
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    /* Need drawcolor and blendmode or just skip test. */
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    SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor");
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    SDLTest_AssertCheck(_hasBlendModes(), "_hasBlendModes");
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    /* Create some rectangles for each blend mode. */
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    ret = SDL_SetRenderDrawColor(renderer, 255, 255, 255, 0);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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    ret = SDL_RenderFillRect(renderer, NULL);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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    rect.x = 10;
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    rect.y = 25;
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    rect.w = 40;
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    rect.h = 25;
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    ret = SDL_SetRenderDrawColor(renderer, 240, 10, 10, 75);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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    ret = SDL_RenderFillRect(renderer, &rect);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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    rect.x = 30;
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    rect.y = 40;
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    rect.w = 45;
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    rect.h = 15;
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    ret = SDL_SetRenderDrawColor(renderer, 10, 240, 10, 100);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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    ret = SDL_RenderFillRect(renderer, &rect);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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    rect.x = 25;
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    rect.y = 25;
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    rect.w = 25;
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    rect.h = 25;
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    ret = SDL_SetRenderDrawColor(renderer, 10, 10, 240, 125);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
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    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
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    ret = SDL_RenderFillRect(renderer, &rect);
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    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
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    /* Draw blended lines, lines for everyone. */
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    checkFailCount1 = 0;
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    checkFailCount2 = 0;
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    checkFailCount3 = 0;
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    for (i = 0; i < TESTRENDER_SCREEN_W; i += 2) {
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        ret = SDL_SetRenderDrawColor(renderer, 60 + 2 * i, 240 - 2 * i, 50, 3 * i);
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        if (ret != 0) {
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            checkFailCount1++;
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        }
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        ret = SDL_SetRenderDrawBlendMode(renderer, (((i / 2) % 3) == 0) ? SDL_BLENDMODE_BLEND : (((i / 2) % 3) == 1) ? SDL_BLENDMODE_ADD
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                                                                                                                     : SDL_BLENDMODE_NONE);
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        if (ret != 0) {
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            checkFailCount2++;
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        }
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        ret = SDL_RenderDrawLine(renderer, 0, 0, i, 59);
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        if (ret != 0) {
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            checkFailCount3++;
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        }
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    }
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    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
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    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
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    SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawLine, expected: 0, got: %i", checkFailCount3);
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    checkFailCount1 = 0;
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    checkFailCount2 = 0;
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    checkFailCount3 = 0;
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    for (i = 0; i < TESTRENDER_SCREEN_H; i += 2) {
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        ret = SDL_SetRenderDrawColor(renderer, 60 + 2 * i, 240 - 2 * i, 50, 3 * i);
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        if (ret != 0) {
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            checkFailCount1++;
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        }
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        ret = SDL_SetRenderDrawBlendMode(renderer, (((i / 2) % 3) == 0) ? SDL_BLENDMODE_BLEND : (((i / 2) % 3) == 1) ? SDL_BLENDMODE_ADD
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                                                                                                                     : SDL_BLENDMODE_NONE);
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        if (ret != 0) {
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            checkFailCount2++;
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        }
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 | 
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        ret = SDL_RenderDrawLine(renderer, 0, 0, 79, i);
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        if (ret != 0) {
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            checkFailCount3++;
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        }
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    }
 | 
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    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
 | 
						|
    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
 | 
						|
    SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawLine, expected: 0, got: %i", checkFailCount3);
 | 
						|
 | 
						|
    /* Draw points. */
 | 
						|
    checkFailCount1 = 0;
 | 
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    checkFailCount2 = 0;
 | 
						|
    checkFailCount3 = 0;
 | 
						|
    for (j = 0; j < TESTRENDER_SCREEN_H; j += 3) {
 | 
						|
        for (i = 0; i < TESTRENDER_SCREEN_W; i += 3) {
 | 
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            ret = SDL_SetRenderDrawColor(renderer, j * 4, i * 3, j * 4, i * 3);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount1++;
 | 
						|
            }
 | 
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 | 
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            ret = SDL_SetRenderDrawBlendMode(renderer, ((((i + j) / 3) % 3) == 0) ? SDL_BLENDMODE_BLEND : ((((i + j) / 3) % 3) == 1) ? SDL_BLENDMODE_ADD
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						|
                                                                                                                                     : SDL_BLENDMODE_NONE);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount2++;
 | 
						|
            }
 | 
						|
 | 
						|
            ret = SDL_RenderDrawPoint(renderer, i, j);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount3++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
 | 
						|
    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
 | 
						|
    SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawPoint, expected: 0, got: %i", checkFailCount3);
 | 
						|
 | 
						|
    /* See if it's the same. */
 | 
						|
    referenceSurface = SDLTest_ImagePrimitivesBlend();
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
 | 
						|
 | 
						|
    /* Make current */
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    /* Clean up. */
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						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
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 | 
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    return TEST_COMPLETED;
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}
 | 
						|
 | 
						|
/**
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						|
 * @brief Tests some blitting routines.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_RenderCopy
 | 
						|
 * http://wiki.libsdl.org/SDL_DestroyTexture
 | 
						|
 */
 | 
						|
int render_testBlit(void *arg)
 | 
						|
{
 | 
						|
    int ret;
 | 
						|
    SDL_Rect rect;
 | 
						|
    SDL_Texture *tface;
 | 
						|
    SDL_Surface *referenceSurface = NULL;
 | 
						|
    Uint32 tformat;
 | 
						|
    int taccess, tw, th;
 | 
						|
    int i, j, ni, nj;
 | 
						|
    int checkFailCount1;
 | 
						|
 | 
						|
    /* Clear surface. */
 | 
						|
    _clearScreen();
 | 
						|
 | 
						|
    /* Need drawcolor or just skip test. */
 | 
						|
    SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor)");
 | 
						|
 | 
						|
    /* Create face surface. */
 | 
						|
    tface = _loadTestFace();
 | 
						|
    SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
 | 
						|
    if (tface == NULL) {
 | 
						|
        return TEST_ABORTED;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Constant values. */
 | 
						|
    ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
 | 
						|
    rect.w = tw;
 | 
						|
    rect.h = th;
 | 
						|
    ni = TESTRENDER_SCREEN_W - tw;
 | 
						|
    nj = TESTRENDER_SCREEN_H - th;
 | 
						|
 | 
						|
    /* Loop blit. */
 | 
						|
    checkFailCount1 = 0;
 | 
						|
    for (j = 0; j <= nj; j += 4) {
 | 
						|
        for (i = 0; i <= ni; i += 4) {
 | 
						|
            /* Blitting. */
 | 
						|
            rect.x = i;
 | 
						|
            rect.y = j;
 | 
						|
            ret = SDL_RenderCopy(renderer, tface, NULL, &rect);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount1++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount1);
 | 
						|
 | 
						|
    /* See if it's the same */
 | 
						|
    referenceSurface = SDLTest_ImageBlit();
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
 | 
						|
 | 
						|
    /* Make current */
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    /* Clean up. */
 | 
						|
    SDL_DestroyTexture(tface);
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    return TEST_COMPLETED;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Blits doing color tests.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetTextureColorMod
 | 
						|
 * http://wiki.libsdl.org/SDL_RenderCopy
 | 
						|
 * http://wiki.libsdl.org/SDL_DestroyTexture
 | 
						|
 */
 | 
						|
int render_testBlitColor(void *arg)
 | 
						|
{
 | 
						|
    int ret;
 | 
						|
    SDL_Rect rect;
 | 
						|
    SDL_Texture *tface;
 | 
						|
    SDL_Surface *referenceSurface = NULL;
 | 
						|
    Uint32 tformat;
 | 
						|
    int taccess, tw, th;
 | 
						|
    int i, j, ni, nj;
 | 
						|
    int checkFailCount1;
 | 
						|
    int checkFailCount2;
 | 
						|
 | 
						|
    /* Clear surface. */
 | 
						|
    _clearScreen();
 | 
						|
 | 
						|
    /* Create face surface. */
 | 
						|
    tface = _loadTestFace();
 | 
						|
    SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
 | 
						|
    if (tface == NULL) {
 | 
						|
        return TEST_ABORTED;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Constant values. */
 | 
						|
    ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
 | 
						|
    rect.w = tw;
 | 
						|
    rect.h = th;
 | 
						|
    ni = TESTRENDER_SCREEN_W - tw;
 | 
						|
    nj = TESTRENDER_SCREEN_H - th;
 | 
						|
 | 
						|
    /* Test blitting with color mod. */
 | 
						|
    checkFailCount1 = 0;
 | 
						|
    checkFailCount2 = 0;
 | 
						|
    for (j = 0; j <= nj; j += 4) {
 | 
						|
        for (i = 0; i <= ni; i += 4) {
 | 
						|
            /* Set color mod. */
 | 
						|
            ret = SDL_SetTextureColorMod(tface, (255 / nj) * j, (255 / ni) * i, (255 / nj) * j);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount1++;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Blitting. */
 | 
						|
            rect.x = i;
 | 
						|
            rect.y = j;
 | 
						|
            ret = SDL_RenderCopy(renderer, tface, NULL, &rect);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount2++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1);
 | 
						|
    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2);
 | 
						|
 | 
						|
    /* See if it's the same. */
 | 
						|
    referenceSurface = SDLTest_ImageBlitColor();
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
 | 
						|
 | 
						|
    /* Make current */
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    /* Clean up. */
 | 
						|
    SDL_DestroyTexture(tface);
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    return TEST_COMPLETED;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Tests blitting with alpha.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetTextureAlphaMod
 | 
						|
 * http://wiki.libsdl.org/SDL_RenderCopy
 | 
						|
 * http://wiki.libsdl.org/SDL_DestroyTexture
 | 
						|
 */
 | 
						|
int render_testBlitAlpha(void *arg)
 | 
						|
{
 | 
						|
    int ret;
 | 
						|
    SDL_Rect rect;
 | 
						|
    SDL_Texture *tface;
 | 
						|
    SDL_Surface *referenceSurface = NULL;
 | 
						|
    Uint32 tformat;
 | 
						|
    int taccess, tw, th;
 | 
						|
    int i, j, ni, nj;
 | 
						|
    int checkFailCount1;
 | 
						|
    int checkFailCount2;
 | 
						|
 | 
						|
    /* Clear surface. */
 | 
						|
    _clearScreen();
 | 
						|
 | 
						|
    /* Need alpha or just skip test. */
 | 
						|
    SDLTest_AssertCheck(_hasTexAlpha(), "_hasTexAlpha");
 | 
						|
 | 
						|
    /* Create face surface. */
 | 
						|
    tface = _loadTestFace();
 | 
						|
    SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
 | 
						|
    if (tface == NULL) {
 | 
						|
        return TEST_ABORTED;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Constant values. */
 | 
						|
    ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
 | 
						|
    rect.w = tw;
 | 
						|
    rect.h = th;
 | 
						|
    ni = TESTRENDER_SCREEN_W - tw;
 | 
						|
    nj = TESTRENDER_SCREEN_H - th;
 | 
						|
 | 
						|
    /* Test blitting with alpha mod. */
 | 
						|
    checkFailCount1 = 0;
 | 
						|
    checkFailCount2 = 0;
 | 
						|
    for (j = 0; j <= nj; j += 4) {
 | 
						|
        for (i = 0; i <= ni; i += 4) {
 | 
						|
            /* Set alpha mod. */
 | 
						|
            ret = SDL_SetTextureAlphaMod(tface, (255 / ni) * i);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount1++;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Blitting. */
 | 
						|
            rect.x = i;
 | 
						|
            rect.y = j;
 | 
						|
            ret = SDL_RenderCopy(renderer, tface, NULL, &rect);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount2++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount1);
 | 
						|
    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2);
 | 
						|
 | 
						|
    /* See if it's the same. */
 | 
						|
    referenceSurface = SDLTest_ImageBlitAlpha();
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
 | 
						|
 | 
						|
    /* Make current */
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    /* Clean up. */
 | 
						|
    SDL_DestroyTexture(tface);
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    return TEST_COMPLETED;
 | 
						|
}
 | 
						|
 | 
						|
/* Helper functions */
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Tests a blend mode.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetTextureBlendMode
 | 
						|
 * http://wiki.libsdl.org/SDL_RenderCopy
 | 
						|
 */
 | 
						|
static void
 | 
						|
_testBlitBlendMode(SDL_Texture *tface, int mode)
 | 
						|
{
 | 
						|
    int ret;
 | 
						|
    Uint32 tformat;
 | 
						|
    int taccess, tw, th;
 | 
						|
    int i, j, ni, nj;
 | 
						|
    SDL_Rect rect;
 | 
						|
    int checkFailCount1;
 | 
						|
    int checkFailCount2;
 | 
						|
 | 
						|
    /* Clear surface. */
 | 
						|
    _clearScreen();
 | 
						|
 | 
						|
    /* Constant values. */
 | 
						|
    ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
 | 
						|
    rect.w = tw;
 | 
						|
    rect.h = th;
 | 
						|
    ni = TESTRENDER_SCREEN_W - tw;
 | 
						|
    nj = TESTRENDER_SCREEN_H - th;
 | 
						|
 | 
						|
    /* Test blend mode. */
 | 
						|
    checkFailCount1 = 0;
 | 
						|
    checkFailCount2 = 0;
 | 
						|
    for (j = 0; j <= nj; j += 4) {
 | 
						|
        for (i = 0; i <= ni; i += 4) {
 | 
						|
            /* Set blend mode. */
 | 
						|
            ret = SDL_SetTextureBlendMode(tface, (SDL_BlendMode)mode);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount1++;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Blitting. */
 | 
						|
            rect.x = i;
 | 
						|
            rect.y = j;
 | 
						|
            ret = SDL_RenderCopy(renderer, tface, NULL, &rect);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount2++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount1);
 | 
						|
    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Tests some more blitting routines.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetTextureColorMod
 | 
						|
 * http://wiki.libsdl.org/SDL_SetTextureAlphaMod
 | 
						|
 * http://wiki.libsdl.org/SDL_SetTextureBlendMode
 | 
						|
 * http://wiki.libsdl.org/SDL_DestroyTexture
 | 
						|
 */
 | 
						|
int render_testBlitBlend(void *arg)
 | 
						|
{
 | 
						|
    int ret;
 | 
						|
    SDL_Rect rect;
 | 
						|
    SDL_Texture *tface;
 | 
						|
    SDL_Surface *referenceSurface = NULL;
 | 
						|
    Uint32 tformat;
 | 
						|
    int taccess, tw, th;
 | 
						|
    int i, j, ni, nj;
 | 
						|
    int mode;
 | 
						|
    int checkFailCount1;
 | 
						|
    int checkFailCount2;
 | 
						|
    int checkFailCount3;
 | 
						|
    int checkFailCount4;
 | 
						|
 | 
						|
    SDLTest_AssertCheck(_hasBlendModes(), "_hasBlendModes");
 | 
						|
    SDLTest_AssertCheck(_hasTexColor(), "_hasTexColor");
 | 
						|
    SDLTest_AssertCheck(_hasTexAlpha(), "_hasTexAlpha");
 | 
						|
 | 
						|
    /* Create face surface. */
 | 
						|
    tface = _loadTestFace();
 | 
						|
    SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
 | 
						|
    if (tface == NULL) {
 | 
						|
        return TEST_ABORTED;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Constant values. */
 | 
						|
    ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
 | 
						|
    rect.w = tw;
 | 
						|
    rect.h = th;
 | 
						|
    ni = TESTRENDER_SCREEN_W - tw;
 | 
						|
    nj = TESTRENDER_SCREEN_H - th;
 | 
						|
 | 
						|
    /* Set alpha mod. */
 | 
						|
    ret = SDL_SetTextureAlphaMod(tface, 100);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetTextureAlphaMod, expected: 0, got: %i", ret);
 | 
						|
 | 
						|
    /* Test None. */
 | 
						|
    _testBlitBlendMode(tface, SDL_BLENDMODE_NONE);
 | 
						|
    referenceSurface = SDLTest_ImageBlitBlendNone();
 | 
						|
 | 
						|
    /* Compare, then Present */
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE);
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    /* Test Blend. */
 | 
						|
    _testBlitBlendMode(tface, SDL_BLENDMODE_BLEND);
 | 
						|
    referenceSurface = SDLTest_ImageBlitBlend();
 | 
						|
 | 
						|
    /* Compare, then Present */
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    /* Test Add. */
 | 
						|
    _testBlitBlendMode(tface, SDL_BLENDMODE_ADD);
 | 
						|
    referenceSurface = SDLTest_ImageBlitBlendAdd();
 | 
						|
 | 
						|
    /* Compare, then Present */
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    /* Test Mod. */
 | 
						|
    _testBlitBlendMode(tface, SDL_BLENDMODE_MOD);
 | 
						|
    referenceSurface = SDLTest_ImageBlitBlendMod();
 | 
						|
 | 
						|
    /* Compare, then Present */
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    /* Clear surface. */
 | 
						|
    _clearScreen();
 | 
						|
 | 
						|
    /* Loop blit. */
 | 
						|
    checkFailCount1 = 0;
 | 
						|
    checkFailCount2 = 0;
 | 
						|
    checkFailCount3 = 0;
 | 
						|
    checkFailCount4 = 0;
 | 
						|
    for (j = 0; j <= nj; j += 4) {
 | 
						|
        for (i = 0; i <= ni; i += 4) {
 | 
						|
 | 
						|
            /* Set color mod. */
 | 
						|
            ret = SDL_SetTextureColorMod(tface, (255 / nj) * j, (255 / ni) * i, (255 / nj) * j);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount1++;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Set alpha mod. */
 | 
						|
            ret = SDL_SetTextureAlphaMod(tface, (100 / ni) * i);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount2++;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Crazy blending mode magic. */
 | 
						|
            mode = (i / 4 * j / 4) % 4;
 | 
						|
            if (mode == 0) {
 | 
						|
                mode = SDL_BLENDMODE_NONE;
 | 
						|
            } else if (mode == 1) {
 | 
						|
                mode = SDL_BLENDMODE_BLEND;
 | 
						|
            } else if (mode == 2) {
 | 
						|
                mode = SDL_BLENDMODE_ADD;
 | 
						|
            } else if (mode == 3) {
 | 
						|
                mode = SDL_BLENDMODE_MOD;
 | 
						|
            }
 | 
						|
            ret = SDL_SetTextureBlendMode(tface, (SDL_BlendMode)mode);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount3++;
 | 
						|
            }
 | 
						|
 | 
						|
            /* Blitting. */
 | 
						|
            rect.x = i;
 | 
						|
            rect.y = j;
 | 
						|
            ret = SDL_RenderCopy(renderer, tface, NULL, &rect);
 | 
						|
            if (ret != 0) {
 | 
						|
                checkFailCount4++;
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1);
 | 
						|
    SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount2);
 | 
						|
    SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount3);
 | 
						|
    SDLTest_AssertCheck(checkFailCount4 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount4);
 | 
						|
 | 
						|
    /* Clean up. */
 | 
						|
    SDL_DestroyTexture(tface);
 | 
						|
 | 
						|
    /* Check to see if final image matches. */
 | 
						|
    referenceSurface = SDLTest_ImageBlitBlendAll();
 | 
						|
    _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
 | 
						|
 | 
						|
    /* Make current */
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    SDL_FreeSurface(referenceSurface);
 | 
						|
    referenceSurface = NULL;
 | 
						|
 | 
						|
    return TEST_COMPLETED;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Checks to see if functionality is supported. Helper function.
 | 
						|
 */
 | 
						|
static int
 | 
						|
_isSupported(int code)
 | 
						|
{
 | 
						|
    return code == 0;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Test to see if we can vary the draw color. Helper function.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetRenderDrawColor
 | 
						|
 * http://wiki.libsdl.org/SDL_GetRenderDrawColor
 | 
						|
 */
 | 
						|
static int
 | 
						|
_hasDrawColor(void)
 | 
						|
{
 | 
						|
    int ret, fail;
 | 
						|
    Uint8 r, g, b, a;
 | 
						|
 | 
						|
    fail = 0;
 | 
						|
 | 
						|
    /* Set color. */
 | 
						|
    ret = SDL_SetRenderDrawColor(renderer, 100, 100, 100, 100);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Restore natural. */
 | 
						|
    ret = SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Something failed, consider not available. */
 | 
						|
    if (fail) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
    /* Not set properly, consider failed. */
 | 
						|
    else if ((r != 100) || (g != 100) || (b != 100) || (a != 100)) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Test to see if we can vary the blend mode. Helper function.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetRenderDrawBlendMode
 | 
						|
 * http://wiki.libsdl.org/SDL_GetRenderDrawBlendMode
 | 
						|
 */
 | 
						|
static int
 | 
						|
_hasBlendModes(void)
 | 
						|
{
 | 
						|
    int fail;
 | 
						|
    int ret;
 | 
						|
    SDL_BlendMode mode;
 | 
						|
 | 
						|
    fail = 0;
 | 
						|
 | 
						|
    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = (mode != SDL_BLENDMODE_BLEND);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = (mode != SDL_BLENDMODE_ADD);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_MOD);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = (mode != SDL_BLENDMODE_MOD);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_GetRenderDrawBlendMode(renderer, &mode);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = (mode != SDL_BLENDMODE_NONE);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    return !fail;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Loads the test image 'Face' as texture. Helper function.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_CreateTextureFromSurface
 | 
						|
 */
 | 
						|
static SDL_Texture *
 | 
						|
_loadTestFace(void)
 | 
						|
{
 | 
						|
    SDL_Surface *face;
 | 
						|
    SDL_Texture *tface;
 | 
						|
 | 
						|
    face = SDLTest_ImageFace();
 | 
						|
    if (face == NULL) {
 | 
						|
        return NULL;
 | 
						|
    }
 | 
						|
 | 
						|
    tface = SDL_CreateTextureFromSurface(renderer, face);
 | 
						|
    if (tface == NULL) {
 | 
						|
        SDLTest_LogError("SDL_CreateTextureFromSurface() failed with error: %s", SDL_GetError());
 | 
						|
    }
 | 
						|
 | 
						|
    SDL_FreeSurface(face);
 | 
						|
 | 
						|
    return tface;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Test to see if can set texture color mode. Helper function.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetTextureColorMod
 | 
						|
 * http://wiki.libsdl.org/SDL_GetTextureColorMod
 | 
						|
 * http://wiki.libsdl.org/SDL_DestroyTexture
 | 
						|
 */
 | 
						|
static int
 | 
						|
_hasTexColor(void)
 | 
						|
{
 | 
						|
    int fail;
 | 
						|
    int ret;
 | 
						|
    SDL_Texture *tface;
 | 
						|
    Uint8 r, g, b;
 | 
						|
 | 
						|
    /* Get test face. */
 | 
						|
    tface = _loadTestFace();
 | 
						|
    if (tface == NULL) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
    /* See if supported. */
 | 
						|
    fail = 0;
 | 
						|
    ret = SDL_SetTextureColorMod(tface, 100, 100, 100);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_GetTextureColorMod(tface, &r, &g, &b);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Clean up. */
 | 
						|
    SDL_DestroyTexture(tface);
 | 
						|
 | 
						|
    if (fail) {
 | 
						|
        return 0;
 | 
						|
    } else if ((r != 100) || (g != 100) || (b != 100)) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Test to see if we can vary the alpha of the texture. Helper function.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 *  http://wiki.libsdl.org/SDL_SetTextureAlphaMod
 | 
						|
 *  http://wiki.libsdl.org/SDL_GetTextureAlphaMod
 | 
						|
 *  http://wiki.libsdl.org/SDL_DestroyTexture
 | 
						|
 */
 | 
						|
static int
 | 
						|
_hasTexAlpha(void)
 | 
						|
{
 | 
						|
    int fail;
 | 
						|
    int ret;
 | 
						|
    SDL_Texture *tface;
 | 
						|
    Uint8 a;
 | 
						|
 | 
						|
    /* Get test face. */
 | 
						|
    tface = _loadTestFace();
 | 
						|
    if (tface == NULL) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
 | 
						|
    /* See if supported. */
 | 
						|
    fail = 0;
 | 
						|
    ret = SDL_SetTextureAlphaMod(tface, 100);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
    ret = SDL_GetTextureAlphaMod(tface, &a);
 | 
						|
    if (!_isSupported(ret)) {
 | 
						|
        fail = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Clean up. */
 | 
						|
    SDL_DestroyTexture(tface);
 | 
						|
 | 
						|
    if (fail) {
 | 
						|
        return 0;
 | 
						|
    } else if (a != 100) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Compares screen pixels with image pixels. Helper function.
 | 
						|
 *
 | 
						|
 * @param s Image to compare against.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_RenderReadPixels
 | 
						|
 * http://wiki.libsdl.org/SDL_CreateRGBSurfaceFrom
 | 
						|
 * http://wiki.libsdl.org/SDL_FreeSurface
 | 
						|
 */
 | 
						|
static void
 | 
						|
_compare(SDL_Surface *referenceSurface, int allowable_error)
 | 
						|
{
 | 
						|
    int result;
 | 
						|
    SDL_Rect rect;
 | 
						|
    Uint8 *pixels;
 | 
						|
    SDL_Surface *testSurface;
 | 
						|
 | 
						|
    /* Read pixels. */
 | 
						|
    pixels = (Uint8 *)SDL_malloc(4 * TESTRENDER_SCREEN_W * TESTRENDER_SCREEN_H);
 | 
						|
    SDLTest_AssertCheck(pixels != NULL, "Validate allocated temp pixel buffer");
 | 
						|
    if (pixels == NULL) {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Explicitly specify the rect in case the window isn't the expected size... */
 | 
						|
    rect.x = 0;
 | 
						|
    rect.y = 0;
 | 
						|
    rect.w = TESTRENDER_SCREEN_W;
 | 
						|
    rect.h = TESTRENDER_SCREEN_H;
 | 
						|
    result = SDL_RenderReadPixels(renderer, &rect, RENDER_COMPARE_FORMAT, pixels, 80 * 4);
 | 
						|
    SDLTest_AssertCheck(result == 0, "Validate result from SDL_RenderReadPixels, expected: 0, got: %i", result);
 | 
						|
 | 
						|
    /* Create surface. */
 | 
						|
    testSurface = SDL_CreateRGBSurfaceFrom(pixels, TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, 32, TESTRENDER_SCREEN_W * 4,
 | 
						|
                                           RENDER_COMPARE_RMASK, RENDER_COMPARE_GMASK, RENDER_COMPARE_BMASK, RENDER_COMPARE_AMASK);
 | 
						|
    SDLTest_AssertCheck(testSurface != NULL, "Verify result from SDL_CreateRGBSurfaceFrom is not NULL");
 | 
						|
 | 
						|
    /* Compare surface. */
 | 
						|
    result = SDLTest_CompareSurfaces(testSurface, referenceSurface, allowable_error);
 | 
						|
    SDLTest_AssertCheck(result == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", result);
 | 
						|
 | 
						|
    /* Clean up. */
 | 
						|
    SDL_free(pixels);
 | 
						|
    SDL_FreeSurface(testSurface);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * @brief Clears the screen. Helper function.
 | 
						|
 *
 | 
						|
 * \sa
 | 
						|
 * http://wiki.libsdl.org/SDL_SetRenderDrawColor
 | 
						|
 * http://wiki.libsdl.org/SDL_RenderClear
 | 
						|
 * http://wiki.libsdl.org/SDL_RenderPresent
 | 
						|
 * http://wiki.libsdl.org/SDL_SetRenderDrawBlendMode
 | 
						|
 */
 | 
						|
static int
 | 
						|
_clearScreen(void)
 | 
						|
{
 | 
						|
    int ret;
 | 
						|
 | 
						|
    /* Set color. */
 | 
						|
    ret = SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
 | 
						|
 | 
						|
    /* Clear screen. */
 | 
						|
    ret = SDL_RenderClear(renderer);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderClear, expected: 0, got: %i", ret);
 | 
						|
 | 
						|
    /* Make current */
 | 
						|
    SDL_RenderPresent(renderer);
 | 
						|
 | 
						|
    /* Set defaults. */
 | 
						|
    ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
 | 
						|
 | 
						|
    ret = SDL_SetRenderDrawColor(renderer, 255, 255, 255, SDL_ALPHA_OPAQUE);
 | 
						|
    SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
/* ================= Test References ================== */
 | 
						|
 | 
						|
/* Render test cases */
 | 
						|
static const SDLTest_TestCaseReference renderTest1 = {
 | 
						|
    (SDLTest_TestCaseFp)render_testGetNumRenderDrivers, "render_testGetNumRenderDrivers", "Tests call to SDL_GetNumRenderDrivers", TEST_ENABLED
 | 
						|
};
 | 
						|
 | 
						|
static const SDLTest_TestCaseReference renderTest2 = {
 | 
						|
    (SDLTest_TestCaseFp)render_testPrimitives, "render_testPrimitives", "Tests rendering primitives", TEST_ENABLED
 | 
						|
};
 | 
						|
 | 
						|
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
 | 
						|
static const SDLTest_TestCaseReference renderTest3 = {
 | 
						|
    (SDLTest_TestCaseFp)render_testPrimitivesBlend, "render_testPrimitivesBlend", "Tests rendering primitives with blending", TEST_DISABLED
 | 
						|
};
 | 
						|
 | 
						|
static const SDLTest_TestCaseReference renderTest4 = {
 | 
						|
    (SDLTest_TestCaseFp)render_testBlit, "render_testBlit", "Tests blitting", TEST_ENABLED
 | 
						|
};
 | 
						|
 | 
						|
static const SDLTest_TestCaseReference renderTest5 = {
 | 
						|
    (SDLTest_TestCaseFp)render_testBlitColor, "render_testBlitColor", "Tests blitting with color", TEST_ENABLED
 | 
						|
};
 | 
						|
 | 
						|
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
 | 
						|
static const SDLTest_TestCaseReference renderTest6 = {
 | 
						|
    (SDLTest_TestCaseFp)render_testBlitAlpha, "render_testBlitAlpha", "Tests blitting with alpha", TEST_DISABLED
 | 
						|
};
 | 
						|
 | 
						|
/* TODO: rewrite test case, define new test data and re-enable; current implementation fails */
 | 
						|
static const SDLTest_TestCaseReference renderTest7 = {
 | 
						|
    (SDLTest_TestCaseFp)render_testBlitBlend, "render_testBlitBlend", "Tests blitting with blending", TEST_DISABLED
 | 
						|
};
 | 
						|
 | 
						|
/* Sequence of Render test cases */
 | 
						|
static const SDLTest_TestCaseReference *renderTests[] = {
 | 
						|
    &renderTest1, &renderTest2, &renderTest3, &renderTest4, &renderTest5, &renderTest6, &renderTest7, NULL
 | 
						|
};
 | 
						|
 | 
						|
/* Render test suite (global) */
 | 
						|
SDLTest_TestSuiteReference renderTestSuite = {
 | 
						|
    "Render",
 | 
						|
    InitCreateRenderer,
 | 
						|
    renderTests,
 | 
						|
    CleanupDestroyRenderer
 | 
						|
};
 |